Arc tube for a high intensity discharge lamp



FIG. 1 is a front view of a first embodiment of an arc tube for a high intensity discharge lamp of the present invention, wherein the rear, top, and bottom views are mirror images thereof;

FIG. 2 is a right side view, wherein the left side view is a mirror image thereof;

FIG. 3 is a front view of a second embodiment of an arc tube of the present invention;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for an arc tube for a high intensity discharge lamp, as shown and described. 